Adrian F. Richards. Dielectric mineral grain separation problem 1951

Prints and negatives - Scientific instruments and work aboard ships

Geotechnical Ocean Engineering (GOE) corer 1982

4-bbl corer and hydroplastic corer, designed by Richards 1975

Sound-velocity probe of German Hydrographic Institute, Kiel 1965

Designs from MGL, Lehigh University

Alvin probes

Miscellaneous equipment

Richards/Keller plastic-bbl corer

In-situ vane testing machine

Deep Quest ca. 1985

Prints and negatives - Places, people and landscapes

Myojin-sho eruptions 1946, 1952, 1953

Rocas Alijos 1952-1953

Isla Socorro 1963

Richards - Portraits and with others between 1955 and 1975

Volcán Bárcena (Boqueron), Isla San Benedicto eruption 1925, 1952-1955

Digital images

Volcán Bárcena (Boqueron), Isla San Benedicto eruption; Capelinhos Volcano, Faial Island eruption - Tifs

Volcán Bárcena (Boqueron), Isla San Benedicto eruption - Slide show with captions

Capelinhos Volcano, Faial Island eruption - Slide show with captions

Slides

Volcán Bárcena ca. 1952-1953

Capelinhos Volcano, Faial Island, Azores 1958

Marine Geotechnical Laboratory (MGL), Lehigh University - In situ equipment

Penetrators, British Research Establishment (BRE), England ca. 1970

Ships and ocean tools ca. 1959-1969

Drill rig chronology

Deep Quest - Lecture set

Deep Quest - Bottom photos

Deep Quest - Misc.

Deep Quest - Dive results

Deep Quest - Dives

Deep Quest - Misc.

Alvin

Submersibles

Hughes Glomar Explorer

Torpedo and other corers

DeepStar 1972

Pore-pressure loading / ONR power Piezometer, misc.

Salvage of a lost 1944 F6F Hellcat, recovered from 3,400 feet of water 1970

Glomar Challenger

ALCOA Seaprobe (WHOI) ca. 1970

THUMS Islands, Long Beach 1973-1974

Hitachi underwater bulldozer

ALVIN, Wilkinson Basin